b=int(34)
def inn(b='清输入一个数字'):
    print(b)
    a= int(input())
    return a
def bi(a):
    if a>b:
        bi(inn('大了,继续输入'))
    elif b>a:
        bi(inn('小了,继续输入'))
    else:
        print('成功')
bi(inn())












